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Titolo: Mixing of meson, hybrid, and glueball states
Autore: Simonov, YA;
- Indirizzi:
- Inst Theoret & Expt Phys, Moscow 117259, Russia Inst Theoret & Expt Phys Moscow Russia 117259 hys, Moscow 117259, Russia
- Titolo Testata:
- PHYSICS OF ATOMIC NUCLEI
fascicolo: 10,
volume: 64,
anno: 2001,
pagine: 1876 - 1886
- SICI:
- 1063-7788(200110)64:10<1876:MOMHAG>2.0.ZU;2-S
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- CONFIGURATION-SPACE; REGGE TRAJECTORIES; SCALAR GLUEBALL; QCD; SPECTRUM; MASSES; EXCITATIONS; EQUATIONS; POMERON; QUARKS;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Physical, Chemical & Earth Sciences
- Citazioni:
- 52
- Recensione:
- Indirizzi per estratti:
- Indirizzo: Simonov, YA Inst Theoret & Expt Phys, Bolshaya Cheremushkinskaya Ul 25, Moscow 117259,Russia Inst Theoret & Expt Phys Bolshaya Cheremushkinskaya Ul 25 Moscow Russia 117259
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- Citazione:
- Y.A. Simonov, "Mixing of meson, hybrid, and glueball states", PHYS ATOM N, 64(10), 2001, pp. 1876-1886
Abstract
An effective QCD Hamiltonian is constructed with the aid of the backgroundperturbation theory and relativistic Feynman-Schwinger path integrals for Green's functions. The resulting spectrum displays mass gaps of about 1 GeVwhen an additional valence gluon is added to the bound state. The mixing of meson, hybrid, and glueball states is defined in two ways-through generalized Green's functions and through a modified Feynman diagram technique-giving similar answers. Results for mixing matrix elements are numerically notlarge (around 0.1 GeV) and agree with earlier analytic estimates and lattice simulations. (C) 2001 MAIK "Nauka/Interperiodica".
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/05/13 alle ore 20:17:52